Polynya PNG-Bilder (4)
Ost Grönland Strom Fram Strait North Water Polynya Continental shelf - Meer
West Antarctic Ice Sheet-Weddell-See-Polynya - Eis
Grönland North Water Polynya Inuit Lancaster Sound Marine mammal
Arktis Antarktis Polar-Regionen der Erde National Snow and Ice Data Center - Meeresoberfläche